WO2001091113A1 - Transmitter for transmitting a signal encoded in a narrow band, and receiver for extending the band of the encoded signal at the receiving end, and corresponding transmission and receiving methods, and system - Google Patents
Transmitter for transmitting a signal encoded in a narrow band, and receiver for extending the band of the encoded signal at the receiving end, and corresponding transmission and receiving methods, and system Download PDFInfo
- Publication number
- WO2001091113A1 WO2001091113A1 PCT/EP2001/005266 EP0105266W WO0191113A1 WO 2001091113 A1 WO2001091113 A1 WO 2001091113A1 EP 0105266 W EP0105266 W EP 0105266W WO 0191113 A1 WO0191113 A1 WO 0191113A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- band
- signal
- speech
- narrow
- original
- Prior art date
Links
- 230000005540 biological transmission Effects 0.000 title claims description 31
- 238000000034 method Methods 0.000 title claims description 31
- 230000003595 spectral effect Effects 0.000 claims abstract description 27
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000003786 synthesis reaction Methods 0.000 claims description 5
- 230000002194 synthesizing effect Effects 0.000 claims description 4
- 238000004590 computer program Methods 0.000 claims 2
- 238000001228 spectrum Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000013507 mapping Methods 0.000 description 3
- 241001362574 Decodes Species 0.000 description 1
- AIGRXSNSLVJMEA-UHFFFAOYSA-N EPN Chemical compound C=1C=CC=CC=1P(=S)(OCC)OC1=CC=C([N+]([O-])=O)C=C1 AIGRXSNSLVJMEA-UHFFFAOYSA-N 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 230000001131 transforming effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Human Computer Interaction (AREA)
- Quality & Reliability (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP01949326A EP1290681A1 (en) | 2000-05-26 | 2001-05-08 | Transmitter for transmitting a signal encoded in a narrow band, and receiver for extending the band of the encoded signal at the receiving end, and corresponding transmission and receiving methods, and system |
JP2001587423A JP2003534578A (en) | 2000-05-26 | 2001-05-08 | A transmitter for transmitting a signal to be encoded in a narrow band, a receiver for expanding a band of an encoded signal on a receiving side, a corresponding transmission and reception method, and a system thereof |
KR1020027000970A KR20020035109A (en) | 2000-05-26 | 2001-05-08 | Transmitter for transmitting a signal encoded in a narrow band, and receiver for extending the band of the encoded signal at the receiving end, and corresponding transmission and receiving methods, and system |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00401494 | 2000-05-26 | ||
EP00401494.0 | 2000-05-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2001091113A1 true WO2001091113A1 (en) | 2001-11-29 |
Family
ID=8173705
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2001/005266 WO2001091113A1 (en) | 2000-05-26 | 2001-05-08 | Transmitter for transmitting a signal encoded in a narrow band, and receiver for extending the band of the encoded signal at the receiving end, and corresponding transmission and receiving methods, and system |
Country Status (6)
Country | Link |
---|---|
US (1) | US20020004716A1 (en) |
EP (1) | EP1290681A1 (en) |
JP (1) | JP2003534578A (en) |
KR (1) | KR20020035109A (en) |
CN (1) | CN1381041A (en) |
WO (1) | WO2001091113A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9324333B2 (en) | 2006-07-31 | 2016-04-26 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2006062202A1 (en) * | 2004-12-10 | 2006-06-15 | Matsushita Electric Industrial Co., Ltd. | Wide-band encoding device, wide-band lsp prediction device, band scalable encoding device, wide-band encoding method |
US7546237B2 (en) * | 2005-12-23 | 2009-06-09 | Qnx Software Systems (Wavemakers), Inc. | Bandwidth extension of narrowband speech |
US20100017199A1 (en) * | 2006-12-27 | 2010-01-21 | Panasonic Corporation | Encoding device, decoding device, and method thereof |
GB0920729D0 (en) * | 2009-11-26 | 2010-01-13 | Icera Inc | Signal fading |
US8818797B2 (en) * | 2010-12-23 | 2014-08-26 | Microsoft Corporation | Dual-band speech encoding |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0732687A2 (en) * | 1995-03-13 | 1996-09-18 | Matsushita Electric Industrial Co., Ltd. | Apparatus for expanding speech bandwidth |
EP0838804A2 (en) * | 1996-10-24 | 1998-04-29 | Sony Corporation | Audio bandwidth extending system and method |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5455888A (en) * | 1992-12-04 | 1995-10-03 | Northern Telecom Limited | Speech bandwidth extension method and apparatus |
US5751762A (en) * | 1996-02-15 | 1998-05-12 | Ericsson Inc. | Multichannel receiver using analysis by synthesis |
US6704711B2 (en) * | 2000-01-28 | 2004-03-09 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for modifying speech signals |
-
2001
- 2001-05-08 KR KR1020027000970A patent/KR20020035109A/en not_active Application Discontinuation
- 2001-05-08 CN CN01801427A patent/CN1381041A/en active Pending
- 2001-05-08 JP JP2001587423A patent/JP2003534578A/en active Pending
- 2001-05-08 EP EP01949326A patent/EP1290681A1/en not_active Withdrawn
- 2001-05-08 WO PCT/EP2001/005266 patent/WO2001091113A1/en not_active Application Discontinuation
- 2001-05-21 US US09/861,938 patent/US20020004716A1/en not_active Abandoned
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0732687A2 (en) * | 1995-03-13 | 1996-09-18 | Matsushita Electric Industrial Co., Ltd. | Apparatus for expanding speech bandwidth |
EP0838804A2 (en) * | 1996-10-24 | 1998-04-29 | Sony Corporation | Audio bandwidth extending system and method |
Non-Patent Citations (2)
Title |
---|
AVENDANO C ET AL: "BEYOND NYQUIST: TOWARDS THE RECOVERY OF BROAD-BANDWIDTH SPEECH FROM NARROW-BANDWIDTH SPEECH", 4TH EUROPEAN CONFERENCE ON SPEECH COMMUNICATION AND TECHNOLOGY. EUROSPEECH '95. MADRID, SPAIN, SEPT. 18 - 21, 1995, EUROPEAN CONFERENCE ON SPEECH COMMUNICATION AND TECHNOLOGY. (EUROSPEECH), MADRID: GRAFICAS BRENS, ES, vol. 1 CONF. 4, 18 September 1995 (1995-09-18), pages 165 - 168, XP000854681 * |
EPPS J ET AL: "A new technique for wideband enhancement of coded narrowband speech", IEEE WORKSHOP ON SPEECH CODING PROCEEDINGS. MODEL, CODERS AND ERROR CRITERIA, XX, XX, 20 June 1999 (1999-06-20), pages 174 - 176, XP002159073 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US9324333B2 (en) | 2006-07-31 | 2016-04-26 | Qualcomm Incorporated | Systems, methods, and apparatus for wideband encoding and decoding of inactive frames |
Also Published As
Publication number | Publication date |
---|---|
JP2003534578A (en) | 2003-11-18 |
US20020004716A1 (en) | 2002-01-10 |
EP1290681A1 (en) | 2003-03-12 |
CN1381041A (en) | 2002-11-20 |
KR20020035109A (en) | 2002-05-09 |
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